Class 89/33.2 - Belt feed

Subclass of Class 89 - Ordnance
Definition: Subject matter wherein cartridges are supplied from a strip
No. of patents: 37
Last issue date: 04/10/2012

Number	Title	Issue Date
8151684	Ammunition canister and feed system An armament system for aircraft includes an ammunition system and a mount system for a machine gun. The ammunition system includes an ammunition canister and feed system, the canister having a pair of brackets releasably coupled to a pair of receivers supported by a...	04/10/2012
8061256	Cartridge loop with compliant tab for ammunition belt A cartridge loop for an ammunition belt having a coupling interface with an opening and a pair of substantially parallel lines side walls having a compliant tab formed therein to deflect easily without deforming the loop when a coupling is engaged in the interface i...	11/22/2011
7568421	Cartridge feeding attachment for firearms A cartridge feeding attachment for a firearm generally consisting of a housing attachable to the firearm having means for guiding a stack of cartridges into the cartridge chamber of the firearm along a first line of travel, a follower engageable with one of such car...	08/04/2009
7428795	Receiver for firearm A firearm comprises an upper receiver body and a lower receiver assembly. The upper receiver body is configured for receiving belt-fed ammunition and the lower receiver assembly is attached to the upper receiver body. The lower receiver assembly includes a receiver ...	09/30/2008
7040213	Firearm receiver system with belt-feed capability A firearm receiver system including a receiver body, an ammunition belt feeding assembly and a bolt carrier. The receiver body includes a first face and a second face approximately opposite the first face. The receiver body is configured for having means for trigger...	05/09/2006
6779430	Sponson tow plate-mounted helicopter armament apparatus and associated methods External armament apparatus, including a machine gun, an associated ammunition box for supplying belted ammunition to the gun, a flare dispenser, a missile launcher or other external stores apparatus, and a forward looking infrared sensor (FLIR), is exteriorly suppo...	08/24/2004
6715396	Firearm conversion kit A cartridge feed tray for belt ammunition is modified to receive shorter ammunition and exclude ammunition of standard length by inclusion of an insert positioned along the forward containment wall of the tray. The insert carries a feed lip that fits through a loadi...	04/06/2004
6343535	Device for advancing charges in a powder-actuated tool, and improved tool including the same A combustion activated tool includes a housing having a longitudinal bore that extends and connects with a vertical bore, a piston and piston guide disposed within the longitudinal bore and moveable axially therein, and an advance lever having a reset end...	02/05/2002
6269729	Shaft for a driven magazine Disclosed herein is an apparatus for separating consecutive cartridge-receiving cells of a driven magazine for an aircraft-mounted machine gun or cannon. The apparatus includes an elongated, substantially cylindrical shaft constructed of a fiber-reinforce...	08/07/2001
6152012	Ammunition container bracket for machine gun A device for use with a weapon having a magazine well for acceptance of a rst munitions magazine of a given capacity. The device includes a bracket having first end sized to replicate the well engaging end of the munitions magazine to permit insertion of ...	11/28/2000
5691497	Self-loading grenade launcher The invention relates to a self-loading grenade launcher with a cartridge belt feed which conveys a cartridge with pawls engaging in the cartridge belt of a cartridge belt. An inertia bolt runs forward along a path from a release position against the cart...	11/25/1997
5684265	Turret for a wheel-mounted or tracked vehicle A turret for a preferably armored wheel-mounted or tracked vehicle is provided with a weapon and a magazine from which the weapon can be supplied with ammunition in belt form. The magazine is positioned in the turret laterally alongside the weapon and lev...	11/04/1997
5227578	Weapon with disappearing bolt This weapon has an axially moveable bolt which is removed from the path of an incoming cartridge so that the cartridge can be moved from its feed position directly along the axis of the bore into the gun chamber. After the bolt "disappears" from the path ...	07/13/1993
4939978	Ammunition chuting for a machine gun A flexible ammunition chuting (14) for a machine gun (10) includes a flexible spine (26) made up of spring steel strips (27, 29) which are anchored at two spaced and fixed positions, typically at the chuting ends, so as precisely to define the length of t...	07/10/1990
4889031	Firearm loading mechanism for an automated cannon A linkage is provided between various components within the feed mechanism of an automated gun which allows a feed cover, which includes some of the components of the feed mechanism, to be opened relative to other elements within the feed mechanism in ord...	12/26/1989
4885976	Magazine chain for ammunition A magazine chain for receiving rounds of ammunition in a parallel series includes end-to-end arranged link plates articulated to one another and forming a first and a second endless link plates series extending parallel spaced to one another; side-by-side...	12/12/1989
4724739	Arrangement for the infeed and withdrawal of caseless ammunition An arrangement for the infeed and withdrawal of caseless ammunition from automatic firearms, consisting essentially of a belt feed mechanism and a cartridge belt conveyed thereby, which includes cartridge pockets at regular intervals interconnected with e...	02/16/1988
4722281	Intermittent explosion apparatus and method of using such apparatus The present invention relates to an apparatus for providing intermittent explosion of a plurality of explosive charges initially attached to an explosive capsule support belt. The belt is indexed so that a plurality of spaced capsules on the belt can be s...	02/02/1988
4688467	Apparatus for inserting a cartridge into the cartridge chamber of a weapon barrel The cartridges are delivered laterally adjacent to the weapon barrel by a cartridge feed mechanism and must be deflected or depressed upon insertion of the cartridges into a cartridge chamber of the weapon barrel by the breechblock. At high cadences there...	08/25/1987
4658701	Side stripping mechanism for linked ammunition The side stripping of ammunition from linked ammunition belts in an automatic weapon system is improved by providing a stripping mechanism including a link sprocket for engaging the link belt and rounds and including a synchronously rotating follower guid...	04/21/1987
4542819	Jointed conveyor A jointed conveyor for ammunition has an upstream and downstream conveying evice. Each of these devices has an upstream and downstream end. The conveying devices can operate to convey the ammunition from the downstream end of the upstream conveying device ...	09/24/1985
4539890	Cartridge infeed apparatus for automatic firing weapons In an automatic firing weapon containing a forwardly and rearwardly travelling breechblock each cartridge is engaged by a breechblock edge of the forwardly travelling breechblock and pushed into the weapon or gun barrel. As soon as the breechblock is in i...	09/10/1985
4492145	Feeding mechanism for a gas operated machine gun Improvements to the M60 7.62-mm machine gun (1) to enable it to be cocked after the cover assembly has been closed without opening the latter (2) to minimize the possibility of a runaway gun (3) to enable a hot barrel to be changed without the necessity o...	01/08/1985
4297939	Ammunition feeder A recoil-operated gas assisted gun having a linked ammunition feeder means nd a link guide housing arranged so that the links are separated from individual rounds of ammunition as said rounds are introduced into the gun chamber. The link guide housing cont...	11/03/1981
4280392	Cartridge feed apparatus for an automatic firing weapon A cartridge feed apparatus for two cartridge belts is structured such that the cartridges are infed relatively closely to the lengthwise axis of the weapon barrel, and there can be employed a spring sleeve which is shorter than the stroke of the breechblo...	07/28/1981
4270437	Gas operated automatic weapon A belt-fed, gas operated automatic weapon of a type in which the gas pressure developed in the bore is ported just forward of the chamber and utilized to compress a system of opposing spring sets which in turn operate the various mechanisms involved in th...	06/02/1981
4253378	Gas operated automatic weapon A belt-fed, gas-operated automatic weapon of a type in which the gas pressure developed in the barrel bore during firing is ported just forward of the barrel chamber to be utilized to compress a system of opposing spring sets which in turn operate the var...	03/03/1981
4244270	Feeder for a gun This invention provides for a feeder tray which is journaled for rotation on a longitudinal axis and which includes two longitudinally extending cutouts, one for receiving fresh rounds of ammunition in sequence from a constant velocity train of ammunition...	01/13/1981
4191088	Ammunition feeder having two feed pawls An ammunition feeder for delivering rounds of ammunition from a belt into e barrel of a gun, comprising a reciprocatory carrier having two separate pawls thereon. One the pawls acts as a main feeder for successively advancing individual rounds of ammuniti...	03/04/1980
4142443	Visual checking device for machine guns and similar weapons The invention pertains to a visual checking device for machine guns and similar weapons, characterized by the fact that it is made up of a lever or toggle lever, permanently stressed by a return spring in the direction of the location of the successive ro...	03/06/1979
4123963	Firearm and caseless ammunition therefor A firearm for firing caseless ammunition includes a barrel, a receiver, a bolt, and a firing pin. The bolt includes laterally open pockets for receiving a projectile and a separate propellant cartridge. The bolt carries an extractor to extract unspent pro...	11/07/1978
4117760	Feed pawl antibounce device A feed pawl antibounce device that prevents jamming of a round feed appars when the pawl clears the round and is moved into position to feed the round from its feed position to its chambering position in front of the open bolt....	10/03/1978
4112817	Supply device for a portable firearm by means of cartridge belts or by means of rifle magazines using the same ammunition The invention pertains to a device for supplying portable arms by means of cartridge belts and by means of rifle magazines using the same ammunition, characterized by the fact that the weapon is provided with a lateral opening, extended by a sleeve which ...	09/12/1978
4038904	Cartridge feed, positioning and ejection control system A cartridge feed, positioning and ejection control system for automatic wons having a reciprocable firing chamber. Stepped cam paths on a rotatable cam actuator control sequential operation of a feed stop pawl and an ejection stop pawl synchronized to movemen...	08/02/1977
4011788	Stripper/de-linking mechanism Stripper/De-linker assembly for disintegrating links of ammunition belts ch is located in the feed tray and which rearwardly strips and delinks in the feed tray, links, each of which totally circumscribes the corresponding cartridge or round and remains ...	03/15/1977
3987701	Ammunition conveyor channel for an automatic firing weapon An ammunition conveyor channel for use with an automatic firing weapon and through which channel there can be conveyed belted ammunition to the weapon, comprising an inlet opening through which there can be introduced the ammunition into the ammunition co...	10/26/1976
3973467	Cartridge infeed apparatus for an automatic firing weapon A cartridge infeed apparatus for an automatic firing weapon comprising a conveyor channel, one side wall of which possesses a slot which is essentially parallel to the axis of the weapon. Partially extending into this slot is a cartridge located in the co...	08/10/1976

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Class 89/33.2 - Belt feed